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Increase accuracy of remaining subtype reduction work estimate

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This commit is contained in:
Anders Hejlsberg 2019-02-01 06:57:07 -08:00
parent d2909a14aa
commit 84250e3888
1 changed files with 3 additions and 3 deletions
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6
src/compiler/checker.ts
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@ -9273,9 +9273,9 @@ namespace ts {
const source = types[i];
for (const target of types) {
if (source !== target) {
if (count === 10000) {
// After 10000 subtype checks we estimate the remaining amount of work by assuming the
// same ratio of checks to removals. If the estimated number of remaining type checks is
if (count === 100000) {
// After 100000 subtype checks we estimate the remaining amount of work by assuming the
// same ratio of checks per element. If the estimated number of remaining type checks is
// greater than an upper limit we deem the union type too complex to represent. The
// upper limit is 25M for unions of primitives only, and 1M otherwise. This for example
// caps union types at 5000 unique literal types and 1000 unique object types.